An rc4 file extension is related to the Microsoft Flight Simulator 2004. An rc4 file contains customization data.
Software that open rc4 file
RC4 file extension - Microsoft Flight Simulator 2004 customisation data
What is rc4 file? How to open rc4 files?
File type specification:
The rc4 file extension is associated with the Microsoft Flight Simulator 2004, a flight simulating compute game for Microsoft Windows operating system.
The rc4 file contains game customization data for Flight Simulator.
This rc4 file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.
The default software associated to open rc4 file:
Microsoft Flight Simulator 2004 
Company or developer:
Microsoft Studios
Microsoft Flight Simulator 2004 is civil flight simulation computer game. This part of Flight Simulator allows users to control historic aircrafts, such as Charles Lindbergh’s Ryan NYP Spirit of St. Louis, the Douglas DC-3 and the world’s first successful powered aircraft, the Wright Flyer.
List of recommended software applications associated to the .rc4 file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open rc4 file, edit rc4 file, convert rc4 file, view rc4 file, play rc4 file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with rc4 file - Microsoft Flight Simulator 2004 customisation data
Click on the software link for more information about Microsoft Flight Simulator 2004. Microsoft Flight Simulator 2004 uses rc4 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
